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The part of strain tensor which involves in the shape change rather than the volume change is called strain deviator ε’ij.

The part of strain tensor which involves in the shape change rather than the volume change is called strain deviator ε’ij. Correct Answer True

Volume strain is responsible for volume change of material, whereas the shape change of material along any certain direction is given by deviator strain. The strain deviator is obtained by simply subtracting the εm from the diagonal terms of the strain tensor.

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